UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC  20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of Report (date of earliest event reported):  May 7, 2010

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[  ]   Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[  ]   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[  ]   Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[  ]   Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

On May 7, 2010, Equinix, Inc. (“Equinix”) issued a press release containing updated guidance for the quarter ending June 30, 2010, and the year ending December 31, 2010, following its acquisition of Switch & Data Facilities Company, Inc. A copy of Equinix’s press release is attached hereto as Exhibit 99.1.  The attached exhibit is provided under this Item 7.01 of Form 8-K and is furnished to, but not filed with, the Securities and Exchange Commission.  

SIGNATURES

          Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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